NIS: Result of transaction of principal shareholder

Network Infrastructure Services JSC (HNX: NIS) announce its Principal Shareholder transaction results as follows:

- Name of issuer: Network Infrastructure Services JSC

- Stock code: NIS

- Securities type: Common stock

- Name of principal shareholder: Telecom Assembly and Construction JSC

- Number of shares held by principal shareholder before transaction: 601,100 shares

- Number of shares registered for sale: 200,000 shares

- Number of shares registered for acquisition: 145,000 shares

- Number of shares disposed: 0 shares

- Number of shares acquired: 45,800 shares

- Total holding following transaction and total percentage holding following transaction: 646,900 shares (21.563333% of outstanding shares)

- Reasons for not completing transaction: Not reported

- Start date of transaction: 23/06/2011

- End date of transaction: 19/08/2011.

HNX

>   KKC: Mr. Ha acquired 89,100 shares (06/09/2011)

>   LM3: Mr. Lan bought 20,000 shares (01/09/2011)

>   SCL: Result of transaction of connected person/ institution (06/09/2011)

>   COM: Information disclosure violation (06/09/2011)

>   NKG: Information disclosure violation (06/09/2011)

>   DMC: Change in the ownership ratio of a major shareholder (01/09/2011)

>   ELC: Transaction of major shareholder (01/09/2011)

>   HAX: Mr. Anh registered to buy 20,000 shares (01/09/2011)

>   KDC: Change in the ownership ratio of a major shareholder (01/09/2011)

>   MCP: Mr. Qui transaction results and notice (01/09/2011)